P C Industries Quality Commitment Experience Satisfaction

sales@powerlinecomponents.com
International: 1-307-885-4724
US (Toll Free): 877-885-4724

Back to Cummins Engine Information

Cummins C-Series Torque Specifications

Size MM (inch)Class & ApplicationTorque Specifications
N-mlb-ft
10Aftercooler Mounting24 ± 318
8Aftercooler Water Hose Clamp5 ± 14
(15/16)Air Compressor Gear Nut125 ± 1393
18Air Compressor Mounting Nut77 ± 757
19 & 9/16Air Compressor to Brace43 ± 432
24Air Compressor Water Line35 ± 1025
(15/16)Alternator Pulley Nut80 ± 859
8 Allen(Alternator Shaft) 
13Alternator Link (Delco 10 SI)24 ± 318
16Alternator Link (Delco 15 SI)43 ± 432
19Alternator Link (Delco 20-27 SI)43 ± 432
13Alternator Mounting Bolt (10-15 SI)43 ± 432
15Alternator Mounting Bolt (20-27 SI)77 ± 757
10Alternator Mounting Bracket24 ± 318
13Belt Tensioner to Bracket43 ± 432
5 AllenBelt Tensioner Bracket to Block24 ± 318
13Camshaft Thrust Plate24 ± 318
12Connecting Rod Step 140 ± 530
 Step 280 ± 560
 Step 3120 ± 588
18Crankshaft Damper200 ± 12148
8Crossover Clamp5 ± 14
15Exhaust Manifold43 ± 432
16Exhaust Outlet Pipe Mounting43 ± 432
11Exhaust Outlet Pipe , "V" Band Clamp5 ± 14
10Fan Bracket Mounting24 ± 318
13Fan Hub (50mm Bolt Circle)24 ± 318
16Fan Hub (60mm Bolt Circle)43 ± 432
24Flame Start Aid40 ± 430
19Flywheel137 ± 7101
18Flywheel Housing60 ± 645
10Flywheel Housing Cover24 ± 318
(1/2)Flywheel Housing Drain Plug43 ± 432
 Front Cover CapHand Tighten
15Front Engine Support Mounting112 ± 1082
 Front Engine Mounting Without Support77 ± 757
17Fuel Banjo Screw (In Filter Head)32 ± 324
SlotFuel Vent Screw in Banjo8 ± 16
75-80Fuel Filter3/4 Turn After Contact
19Fuel Low Pressure Supply at Pump24 ± 318
19Fuel Low Pressure Return at Pump24 ± 218
24Fuel Filter Adapter Nut32 ± 324
17Fuel Line Fitting (High Pressure)24 ± 318
22Fuel Pump Drive Gear (A)93 ± 768
27Fuel Pump Drive Gear (MW)105 ± 577
24Fuel Pump Lock15 ± 311
15Fuel Pump Mounting Nut43 ± 432
15Fuel Solenoid Bracket43 ± 432
10Fuel Solenoid Mounting10 ± 27
10Gear Cover24 ± 318
10Gear Housing to Block24 ± 318
(7/16)Gear Housing Pipe Plugs5 ± 14
18Cylinder Head Mounting Step 15037
 Step 2150110
 Step 3200148
10Injector Fuel Drain Manifold8 ± 16
10Injector Retaining Capscrew24 ± 318
10Intake Manifold Cover24 ± 318
10Lift Pump Mounting/Cover Plate24 ± 318
18Lifting Bracket77 ± 657
23Main Bearing Cap Step 15037
 Step 29570
 Step 3150110
118-131Oil Filter3/4 Turn After Contact
10Oil Filter Cover24 ± 318
17Oil Pan Drain Plug80 ± 460
17Oil Pan Heater Plug80 ± 460
10Oil Pan Mounting24 ± 318
22Oil Pressure Regulator Valve80 ± 460
10Oil Pump Mounting24 ± 318
10Oil Suction Tube (Flange)9 ± 17
10Oil Suction Tube Brace9 ± 17
15PTO Adapter77 ± 757
13PTO Adapter Cover Plate A Drive43 ± 432
15PTO Adapter Cover Plate B Drive77 ± 757
(3/4)PTO Gear Nut A Drive100 ± 1074
(15/16)PTO Gear Nut B Drive134 ± 13100
(11/16)PTO Flange Companion85 ± 863
10Rocker Support55 ± 340.5
14Rocker Lever Nut24 ± 318
15Starter Mounting (12 Point)77 ± 457
10Tach Drive Retainer3 ± .52
10Thermostat Housing24 ± 318
T-25 TorxTiming Pin Flange Mounting5 ± 14
(1/2)Turbine Housing11 ± 28
10Turbocharger Compressor8 ± 16
15Turbocharger Mounting Nut32 ± 324
10Turbocharger Drain Tube24 ± 318
16Turbocharger Oil Supply (Both Ends)15 ± 211
8Water Hose Clamps54
(3/8)Water Inlet Plugs34 ± 325
10Water Pump Mounting24 ± 318
15Valve Cover24 ± 318
 Valve Cover Oil FillHand Tighten
13WABCO Air Compressor Gear24 ± 318
27WABCO Gear Hub Mounting Nut180 ± 18133
 Capscrew Markings and Torque Values 
5Commercial Steel Class 8.865
5Commercial Steel Class 10.986
5Commercial Steel Class 12.986
6Commercial Steel Class 8.8105
6Commercial Steel Class 10.91510
6Commercial Steel Class 12.91510
8Commercial Steel Class 8.82418
8Commercial Steel Class 10.93425
8Commercial Steel Class 12.93828
10Commercial Steel Class 8.84332
10Commercial Steel Class 10.96447
10Commercial Steel Class 12.98857
12Commercial Steel Class 8.87757
12Commercial Steel Class 10.911283
12Commercial Steel Class 12.9137101
14Commercial Steel Class 8.812794
14Commercial Steel Class 10.9180133
14Commercial Steel Class 12.9216159
16Commercial Steel Class 8.8195144
16Commercial Steel Class 10.9266196
16Commercial Steel Class 12.9319235